Description IMAGES ARE GENERIC NOT REPRESAENTING THE ACTUAL PART NUMBERCHE Manufactures it’s valve seats out of 3 primary material:Ductile Iron, CA-18 & X-274. Each has it’s own unique and special purpose and application, in which it is best suited. the most commonly used of the 3 is the Hardened Ductile iron Seat. CA-18 & X274 compositions have been specifically designed to stand up to the arduous abuse constantly dealt out in the highly competitive and rigorous racing environment.Although both of these custom created material involve a larger initial investment, C.H.E. Satisfied Customers all say they receive benefits well beyond value and extra expenditure.FOR FURTHER INFORMATION CLICK THIS LINK
